Big Size Seamless Pipe

九月 30th, 2017|

Product Name: ASTM A106 GRADE B SEAMLESS CARBON STEEL PIPES Details: Our main products include 8 series: Carbon steel seamless pipes for use in low and medium pressure boilers, petroleum casing tubes, ships, fluid conveyance, [...]

Standard Classification of spiral steel pipe

九月 29th, 2017|

Pressure fluid transport with spiral submerged arc welded pipe SY5036-2000, is mainly used to transport oil, natural gas pipelines;   Pressure fluid transport with spiral seam high frequency welded steel pipe SY5038-2000, high frequency lap [...]

How to increase stability of spiral steel pipe

九月 28th, 2017|

1) small and medium sized steel, wire rod, rebar, in diameter steel pipe, steel wire and wire rope, etc., can be expected in a well-ventilated storage shed, but it must be on the thatch underlay. [...]

How to prevent the spiral steel pipe factory steel products surface decarburization

九月 27th, 2017|

Spiral pipe manufacturers - processed look decarbonization doubt, the key in the heat treatment step. Because oxidation and decarbonization and wire are carried out simultaneously, thus, during the heat treatment as long as possible and [...]

Performance of large-diameter spiral pipe

九月 26th, 2017|

    In the steel standards, depending on the usage requirements of the tensile properties (tensile strength, yield strength or yield point elongation) and hardness, toughness index, as well as user requirements of high and low temperature [...]

How to prevent the spiral steel pipe factory steel products surface decarburization

九月 22nd, 2017|

Spiral pipe manufacturers - processed look decarbonization doubt, the key in the heat treatment step. Because oxidation and decarbonization and wire are carried out simultaneously, thus, during the heat treatment as long as possible and [...]

Introduction of Spiral submerged arc welded steel pipe

九月 21st, 2017|

    Spiral submerged arc welded steel pipe way; before tilting intermittent production; line speed, 0.5--3m / min; welding speed, 0.5--3m / min. Units from the open-book machine, straightening machine, centering device, hydraulic shears, milling welding, cutting [...]

Spiral pipe cleaning method

九月 19th, 2017|

  Cleaning: Apply solvent emulsion cleaning steel look to reach the removal of oil, grease, dust, smoothing agents, and similar organic matter, but it is non-removable steel appearance of rust, scale, welding flux, and thus the [...]

Several types of spiral pipe fracture occurs under normal circumstances

九月 18th, 2017|

 Spiral steel pipe according to the situation after the destruction of the material, breaking roughly divided into three types, namely: cleavage fracture, tie troglobites anti-fracture, slip surface separation fracture.  Cleavage fracture along a section strictly [...]

Some notes during Spiral steel pipe production

九月 15th, 2017|

Spiral steel pipe in the production process, should pay attention to the following questions: 1, oiled marking: the inspection and approval of spiral steel pipe oiled operation to prevent corrosion, and marking according to customer [...]